class_docstr: A tree built by XGBoost.
code: def is_numerical(self, node_id: int) -> bool:
      return not self.is_categorical(node_id)
  
imports: import argparse
  import json
  from dataclasses import dataclass
  from enum import IntEnum, unique
  from typing import Any, Dict, List, Sequence, Union
  import numpy
label_desc: Use image node_id 9 for calling the Tree obj's underlying member method code with example usage: obj.is_numerical(node_id) and returns: unknown